Louis Difazio, MD
Emergency Medicine Physician · Morristown, NJ
Louis Difazio, MD is an emergency medicine physician with a practice address in Morristown, New Jersey, and NPI 1376510032, issued on Mar 2, 2006. Check the license (New Jersey 25MA05768200, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Louis Difazio
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 25MA05768200 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 435 South St, Morristown, NJ 07960
- Phone
- (973) 971-7200
- Enumerated
- Mar 2, 2006
- Entity
- Type 1 · individual
Also registered at 435 South St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Darius Adams, M.D.Clinical Genetics (M.D.) Physician1972506749
- Elsie AltemaAdult Health Nurse Practitioner1073941274
- Nalini Asokan, MDInternal Medicine Physician1235100389
- Jessalyn Brower, MSGenetic Counselor (M.S.)1063038008
- Maria Carter, RDNRegistered Dietitian1063063808
- Jajin Chon, M.D.Endocrinology, Diabetes & Metabolism Physician1346320553
Verify Louis Difazio in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA05768200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
86% fewer Medicare Part D claims than the average emergency medicine physician in 2024
48 Medicare Part D claims for 21 beneficiaries, against an average of 355 among the 49,029 providers of this specialty who prescribed in Part D.
Most prescribed
- Eliquis12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's Medicare quality score for 2023: 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $163.01
3 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 12,165 providers of this specialty with any payment received $1,340.71 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospital and facility affiliations
- Specialty Care OF Practice Associates PAMorristown, NJ
- Upmc Altoona Regional Health Services, Inc.Altoona, PA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
78 emergency medicine physician records list a Morristown practice address
They are 78 of the 2,942 NPPES records with a Morristown practice address, and 1,657 emergency medicine physician records in New Jersey.
All 78 in Morristown → All 1,657 in New Jersey → Every provider in Morristown →
Other emergency medicine physician records in New Jersey
- Tareef Abbasi, MDClifton, NJ1427139617
- Mohammad Abboud, MDHackensack, NJ1881187359
- Moheb Abdelmalek, MDPerth Amboy, NJ1699776179
- Ibrahim Abdullah, M.D.Willingboro, NJ1649464140
- Kate Aberger, MDPaterson, NJ1821266719
- Vanessa Aboagye, DOPhillipsburg, NJ1750028437
- Adefris Adal, M.D.Jersey City, NJ1669728622
- Shivani AdhyaruMorristown, NJ1447754445
- David Adinaro, MDPaterson, NJ1114039849
- Kristen Adorno, MDCamden, NJ1689153678
Common questions
What is Louis Difazio, MD's NPI number?
Louis Difazio, MD's National Provider Identifier (NPI) is 1376510032, issued on Mar 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Louis Difazio, MD located?
The NPPES record lists a practice address at 435 South St, Morristown, NJ, 07960. Phone: (973) 971-7200. Providers update this record themselves, so call before visiting.
How can I verify Louis Difazio, MD's license?
NPPES lists New Jersey license number 25MA05768200, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Louis Difazio, MD prescribe under Medicare Part D?
In 2024, Louis Difazio, MD had 48 Medicare Part D claims for 21 beneficiaries; the average among emergency medicine physician prescribers was 355. Part D covers Medicare prescriptions only.
What is Louis Difazio, MD's Medicare quality score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.